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Prodotti recenti

Surface-catalyzed liquid–liquid phase separation and amyloid-like assembly in microscale compartments

Liquid-liquid phase separation is a key phenomenon in the formation of membrane-less structures within the cell, appearing as liquid biomolecular condensates. Protein condensates are the most studied for their biological relevance, and their tendency to evolve, resulting in the formation of aggregates with a high level of order called amyloid. In this study, it is demonstrated that Human Insulin forms micrometric, round amyloid-like structures at room temperature within sub-microliter scale a...

Carbon‐Based Photonic Microlabels Based on Fluorescent Nanographene‐Polystyrene Composites

Nanographenes (NGs) are attracting significant interest as atomically-thin carbon-based optical nanomaterials exhibiting a wide range of optical properties that are fine-tuned with ultimate atomic precision though chemical design. However, the use of NGs in photonic applications remains poorly explored. Here a straightforward procedure is demonstrated to load NGs onto the surface of polystyrene microbeads in order to synthesize a functional light emitting microcomposite. The resulting all-car...

Tailoring MoS2 domains size, doping, and light emission by the sulfurization temperature of ultra-thin MoOx films on sapphire

Thermal sulfurization of ultra-thin Mo-based films represents a promising approach for large-area growth of MoS2. In this paper, we demonstrated that the crystalline quality (domains size and defects density), strain, doping, and light emission properties of monolayer (1L) MoS2 obtained from sputter deposited MoOx films on a c-sapphire substrate can be tailored by the sulfurization temperature (Ts) in the range from 700 to 800 °C. Starting from a continuous film with a nanocrystalline domains...

A 5E-based learning experience to introduce concepts relevant in Quantum Physics

We here present and discuss a 5E-based learning activity focused on introductory concepts of Quantum Physics experienced at the Bachelor of Electrical Engineering of a Kenyan University. The described constructivist environment aimed at supporting an effective understanding of concepts very relevant in Modern Physics, such as wave-particle dualism, discretization, de Broglie wavelength, Heisenberg Uncertainty principle, atomic models, particle in a box, etc., by triggering a chain of reasoned...

Unveiling MOF-808 photocycle and its interaction with luminescent guests

The world of metal–organic frameworks (MOFs) has become a hot topic in recent years due to the extreme variety and tunability of their structures. There is evidence of MOFs that exhibit intrinsic luminescence properties that arise directly from their organic components or from the interaction between them and metallic counterparts. A new perspective is to exploit the porous nature of MOFs by encapsulating luminescent guests, such as organic dyes, in order to explore possible changes in the lu...

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